Earthquakes and Volcanoes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| crust | Earth's outer layer; includes the rock of the ocean floor and large areas of land
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| mantle | the thickest layer of Earth; found just below the crust
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| core | the dense center of Earth; a ball made mostly of two metals, iron and nickel
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| plate | continent-sized slabs of Earth's upper crust and mantle
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| earthquake | a vibration, or shaking, of Earth's crust
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| fault | a break in Earth's crust along which rocks move
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| focus | the point underground where the movement of an earthquake first took place
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| epicentcer | the point on the surface of Earth that is right above the focus of an earthquake
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| seismograph | an instrument that records earthquake waves
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| volcano | a mountain that forms when red-hot melted rock flows through a crack in Earth's surface
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| magma | melted rock inside the Earth
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| lava | a melted rock that reaches Earth's surface
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| vent | the rocky tube in a volcano through which magma rises toward the surface
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| crater | a large basin formed at the top of a volcano when it falls in on itself
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
chaldeman
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